Add space between dots in more-icon

Signed-off-by: jenniferpiperek <jenniferpiperek@users.noreply.github.com>

core/img/actions/more.svg

-<svg xmlns="http://www.w3.org/2000/svg" version="1.1" viewbox="0 0 16 16" width="16" height="16"><path d="M3 6a2 2 0 1 0 0 4 2 2 0 0 0 0-4zm5 0a2 2 0 1 0 0 4 2 2 0 0 0 0-4zm5 0a2 2 0 1 0 0 4 2 2 0 0 0 0-4z"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path d="M2.5 6.25a1.75 1.75 0 1 1 0 3.5 1.75 1.75 0 0 1 0-3.5zm5.5 0a1.75 1.75 0 1 1 0 3.5 1.75 1.75 0 0 1 0-3.5zm5.5 0a1.75 1.75 0 1 1 0 3.5 1.75 1.75 0 1 1 0-3.5z"/></svg>
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